#pragma once
class TileKey
{
public:
    TileKey(int level=-1,int row=-1,int colnum=-1);
	~TileKey();

	bool operator==(const TileKey& other) const;
	void operator=(const TileKey& other) ;
	bool operator < (const TileKey& rhs) const;
private:
	int m_level, m_colnum,m_row;
};

